Blank holder



FIG. 1 is a perspective view of a blank holder, showing my new design

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an exploded view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the blank holder and/or a blank positioned in the blank holder and form no part of the claimed design. 

CLAIM The ornamental design for a blank holder, as shown and described. 